A way of saying "
shut the fuck up", instead of actually typing it. Has less meaning than actually typing "
shut the fuck up", and is often said by people that are losing an argument or can't think of a
comeback.
Guy A: "You just contradicted yourself.
Twice."
Guy B: "faggit"
Guy A: "Yeah, that's what I thought, you can't think of anything,
loser."
Guy B: "stfu"
Guy C: Just admit you lost, Guy B.